sneeze vs instinctive reflex

sneeze and instinctive reflex both are nouns.

Word	Noun	Adjective	Verb	Adverb
sneeze	Yes	No	Yes	No
instinctive reflex	Yes	No	No	No

As nouns, instinctive reflex is a hypernym of sneeze; that is, instinctive reflex is a word with a broader meaning than sneeze:

sneeze: a symptom consisting of the involuntary expulsion of air from the nose
instinctive reflex: an automatic instinctive unlearned reaction to a stimulus

sneeze (noun)	instinctive reflex (noun)
a symptom consisting of the involuntary expulsion of air from the nose	an automatic instinctive unlearned reaction to a stimulus

sneeze (verb)	instinctive reflex (verb)
exhale spasmodically, as when an irritant entered one's nose